task switch vm exit

task switch vm exit

Hi! After successful hypervisor launch, when i reboot my OS in hypervisor come's vmexit with code 0x9. in intel manual write that it's task swich trought IDT. How can i proces this vm exit???

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Hello and thanks for your post. Guest OS cannot perform task switches so what you have to do is to manually perform a task switch (you can do that mapping the old and new TSSs through GDT.
For more informations see SDM 3A chapter 7 (Task managment)irp

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